Lighting apparatus



FIG. 1 is a top perspective view of a lighting apparatus in accordance with the present design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front perspective view thereof; and,

FIG. 6 is a front view thereof.

The broken lines represent portions of the lighting apparatus which form no part of the claimed design. 

CLAIM The ornamental design for a lighting apparatus, as shown and described. 